1.. The pointer on a compass is the north pole of a small magnet. If a compass were placed
next to a bar magnet, as shown above, in what direction would the pointer point?
(A)
(B)(C)(D)(E)2.. A positively charged particle in a uniform magnetic field moves in a circular path in the
clockwise direction, parallel to the plane of the page. In what direction do the magnetic
field lines point?
(A)Out of the page
(B)Into the page
(C)To the left
(D)To the right
(E)In a clockwise pattern parallel to the plane of the page
3.. What should one do to maximize the magnitude of the magnetic force acting on a charged
particle moving in a magnetic field?
I. Maximize the strength of the magnetic field
II. Minimize the particle’s velocity
III. Ensure that the particle is moving in the same direction as the magnetic field lines
(A)I only
(B)I and II only
(C)I and III only
(D)II and III only
(E)I, II, and III